ischial bone

is·chi·um

is·chi·i

is·chi·a

The lower and posterior part of the hip bone, distinct at birth but later becoming fused with the ilium and pubis; it consists of a body, where it joins the ilium and superior ramus of the pubis to form the acetabulum, and a ramus joining the inferior ramus of the pubis.

ischial bone

is·chi·um

, pl. ischia (is'kē-ŭm, -ă) [TA]

The lower and posterior part of the hip bone, distinct at birth but later becoming fused with the ilium and pubis; it consists of a body, where it joins the ilium and superior ramus of the pubis to form the acetabulum, and a ramus joining the inferior ramus of the pubis. Synonym(s): ischial bone.

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